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National Rosacea Society Awards New Grants for Rosacea Research

BARRINGTON, Illinois (January 11, 2007) -- The National Rosacea Society (NRS) announced that five new studies have been awarded funding as part of its research grants program to advance scientific knowledge of the potential causes and other key aspects of this chronic and potentially life-disruptive disorder that affects an estimated 14 million Americans.

"We are extremely grateful to the many thousands of rosacea patients whose donations are used to fund this important research grants program," said Dr. Jonathan Wilkin, chairman of the NRS medical advisory board, which reviews and selects the research proposals for funding. "Study results to date are leading to important advances in the understanding of rosacea, and we are hopeful that these findings will result in significant improvements in its effective management and potential prevention or cure."

Dr. Sandra Cremers, assistant professor of ophthalmology at Harvard Medical School, was awarded $25,000 for a study evaluating the role of angiogenesis (new blood vessel formation) in ocular rosacea. Dr. Cremers will investigate the levels of angiogenesis markers, such as vascular endothelial growth factor (VEGF), in the conjunctiva and eyelids of patients with severe ocular rosacea, compared with normal subjects. She postulates that defining the role of angiogenesis in the development of ocular rosacea may bring focus to future research on this common rosacea subtype, and eventually lead to the development of an effective treatment.

Dr. Richard Gallo, chief of the division of dermatology at the University of California - San Diego, and Dr. Kenshi Yamasaki of the Veterans Medical Research Foundation were awarded $25,000 to continue their NRS-funded research of how cathelicidins, one of the body's own natural antibiotics, may play a role in the development of rosacea symptoms.

The investigators most recently determined that an excess of an enzyme in the facial skin of rosacea patients leads to an accumulation of cathelicidins, an antimicrobial peptide that can cause inflammation and increased blood vessel growth. In a new study, they will be investigating the causes of this enzymatic abnormality and testing whether this enzyme may be a key cause of rosacea.

Dr. Richard Granstein, chairman of dermatology at Cornell University, and colleagues were awarded $25,000 to continue their research on the role of adenosine triphosphate (ATP), an agent produced by nerves that earlier NRS-funded studies had shown initiates an inflammatory response in human dermal endothelial cells. The researchers will also expand their study to examine whether three other agents produced by nerves elicit effects similar to ATP, and will test whether therapeutic agents for rosacea work by inhibiting the expression of inflammation-causing molecules by endothelial cells.

Dr. Kent T. Keyser, professor of vision sciences at the University of Alabama at Birmingham, received $25,000 to study the effects of nicotine on rosacea. Because previous research has shown that nicotine can cause new blood vessels to form in the skin, Dr. Keyser plans to investigate which intracellular signaling pathways are affected and which cellular mechanisms may cause a reaction in rosacea. In addition, Dr. Keyser will examine the short- and long-term effects of nicotine on gene expression and transcription as they may relate to the development of rosacea.

Dr. Martin Steinhoff, department of dermatology, University of Muenster, Germany, was awarded $25,000 to study the role of neuroimmune interactions in the pathophysiology of rosacea. In previous NRS-funded studies, Dr. Steinhoff's team found that neuropeptide-positive sensory nerves around blood vessels increase during rosacea's development. In addition, they discovered that a combination of several neuropeptides, neuropeptide receptors and endopeptidases is involved in maintaining homeostasis, but this balance is compromised in rosacea skin. In the new study, the researchers will examine whether the ineffective interaction between neuropeptide receptors and neuropeptide-degrading enzymes results in dysregulation and contributes to the development of rosacea.

Researchers interested in applying for grants can obtain forms and instructions by contacting the National Rosacea Society, 800 South Northwest Highway, Suite 200, Barrington, Illinois 60010, telephone 1-888-662-5874, e-mail rosaceas@aol.com. The deadline for submitting proposals for research grants in 2007 is September 15. Further information is available on the NRS Web site at www.rosacea.org/grants/.

Because the cause of rosacea is unknown, a high priority in awarding grants is given to studies relating to its pathogenesis, progression, mechanism of action, cell biology and potential genetic factors. Proposals relating to epidemiology, predisposition, quality of life and relationships with environmental and lifestyle factors may also be considered.

Members of the NRS medical advisory board include Dr. Jonathan Wilkin, former director of dermatologic and dental drug products for the U.S. Food and Drug Administration; Dr. Mark Dahl, chairman of dermatology at the Mayo Clinic-Scottsdale and former American Academy of Dermatology (AAD) president; Dr. Michael Detmar, associate professor of dermatology at Harvard Medical School; Dr. Lynn Drake, Harvard Medical School and former AAD president; Dr. David Norris, chairman of dermatology at the University of Colorado and former president of the Society for Investigative Dermatology; Dr. Frank Powell, consultant dermatologist with the Regional Centre of Dermatology, Dublin, Ireland; Dr. Richard Odom, professor of dermatology at the University of California - San Francisco and former AAD president; and Dr. Bryan Sires, clinical associate professor of ophthalmology at the University of Washington.

Rosacea is a chronic disorder primarily of the facial skin, characterized by flare-ups and remissions. According to the standard classification system for rosacea, developed by an NRS consensus committee and review panel of 17 experts worldwide, the primary features of rosacea include flushing, persistent erythema, papules and pustules, and telangiectasia, while secondary features may include ocular manifestations, burning and stinging, plaques, dry appearance, edema, locations beyond the face and phymatous changes. In most cases, some rather than all of these signs and symptoms appear in any given patient.

The NRS is a nonprofit organization dedicated to improving the lives of people with rosacea by raising awareness, providing public health information and supporting research on this common but biologically poorly understood disorder.

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The National Rosacea Society is a 501(c)(3) nonprofit organization whose mission is to improve the lives of people with rosacea by raising awareness, providing public health information and supporting medical research on this widespread but little-known disorder. The information the Society provides should not be considered medical advice, nor is it intended to replace

consultation with a qualified physician. The Society does not evaluate, endorse or recommend any particular medications, products, equipment or treatments. Rosacea may vary substantially from one patient to another, and treatment must be tailored by a physician for each individual case. For more information, visit About Us.